11 Biased vs Unbiased
By Jeanmarie Mullen
starstarstarstarstarstarstarstarstarstar
Last updated about 3 years ago
16 Questions
Tell whether the survey method used is likely to result in a biased sample.
1
1.
A bike club wants to gather information about biking conditions throughout a city. A survey for bike riders is posted on the club’s website.
A bike club wants to gather information about biking conditions throughout a city. A survey for bike riders is posted on the club’s website.
1
2.
A management company that owns several apartment buildings wants to gather information about tenant satisfaction with the condition of the apartments. They send a survey to 30 random tenants in each of the buildings.
A management company that owns several apartment buildings wants to gather information about tenant satisfaction with the condition of the apartments. They send a survey to 30 random tenants in each of the buildings.
1
3.
A family wants to gather information from other residents on their street about forming a neighborhood watch. They survey every third house on both sides of the street.
A family wants to gather information from other residents on their street about forming a neighborhood watch. They survey every third house on both sides of the street.
Tell whether the question is potentially biased.
1
4.
Don’t you think that the lunch menu should include grilled chicken rather than pizza because chicken is healthier for you?
Don’t you think that the lunch menu should include grilled chicken rather than pizza because chicken is healthier for you?
1
5.
Do you think that the city’s excess revenue should be spent on road repairs or building a new sports stadium?
Do you think that the city’s excess revenue should be spent on road repairs or building a new sports stadium?
1
6.
Do you prefer the ease of shopping online or the fun of going to the mall?
Do you prefer the ease of shopping online or the fun of going to the mall?
REGENTS QUESTIONS
1
7.
A school wants to add a coed soccer program. To determine student interest in the program, a survey will be conducted. In order to get an unbiased sample, which group should the school survey?
A school wants to add a coed soccer program. To determine student interest in the program, a survey will be conducted. In order to get an unbiased sample, which group should the school survey?
1
8.
A survey is being conducted to determine which types of television programs people watch. Which survey and location combination would likely contain the most bias?
A survey is being conducted to determine which types of television programs people watch. Which survey and location combination would likely contain the most bias?
1
9.
Which survey is least likely to contain bias?
Which survey is least likely to contain bias?
1
10.
The yearbook staff has designed a survey to learn student opinions on how the yearbook could be improved for this year. If they want to distribute this survey to 100 students and obtain the most reliable data, they should survey
The yearbook staff has designed a survey to learn student opinions on how the yearbook could be improved for this year. If they want to distribute this survey to 100 students and obtain the most reliable data, they should survey
1
11.
A survey is to be conducted in a small upstate village to determine whether or not local residents should fund construction of a skateboard park by raising taxes. Which segment of the population would provide the most unbiased responses?
A survey is to be conducted in a small upstate village to determine whether or not local residents should fund construction of a skateboard park by raising taxes. Which segment of the population would provide the most unbiased responses?
1
12.
A school newspaper will survey students about the quality of the school’s lunch program. Which method will create the least biased results?
A school newspaper will survey students about the quality of the school’s lunch program. Which method will create the least biased results?
1
13.
Erica is conducting a survey about the proposed increase in the sports budget in the Hometown School District. Which survey method would likely contain the most bias?
Erica is conducting a survey about the proposed increase in the sports budget in the Hometown School District. Which survey method would likely contain the most bias?
1
14.
A survey is being conducted to determine which school board candidate would best serve the Yonkers community. Which group, when randomly surveyed, would likely produce the most bias?
A survey is being conducted to determine which school board candidate would best serve the Yonkers community. Which group, when randomly surveyed, would likely produce the most bias?
1
15.
Which method of collecting data would most likely result in an unbiased random sample?
Which method of collecting data would most likely result in an unbiased random sample?
1
16.
Four hundred licensed drivers participated in the math club's survey on driving habits. The table below shows the number of drivers surveyed in each age group.
Which statement best describes a conclusion based on the data in the table?
Four hundred licensed drivers participated in the math club's survey on driving habits. The table below shows the number of drivers surveyed in each age group.
Which statement best describes a conclusion based on the data in the table?